258353290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1987333}}^1$

素因数の和:1987353

約数の個数: 16

約数和(自身を含む): 500808168

約数和(自身を除く): 242454878

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1987333, 3974666, 9936665, 19873330, 25835329, 51670658, 129176645, 258353290]

約数ペア:

[(1, 258353290), (2, 129176645), (5, 51670658), (10, 25835329), (13, 19873330), (26, 9936665), (65, 3974666), (130, 1987333)]